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Exercise 2.3 - Display

a) Display a welcome message

This is the console. All output created with writeLog() is shown here.

Take a look at your display. Theres hould be a welcome message for you.

script.js

This is the JavaScript code behind the above application.

/* global writeLog, getInput, tf */
writeLog("Solution for exercise 2.3 a) Display a welcome message");
// Create a global variable to store the found devices
var devices;
// Initialite connected devices
tf.initDevices(initDone);
// Call this when all connections are established
function initDone(connectedDevices) {
    if (connectedDevices.length === 0) {
        writeLog("Oops, didn't find any devices! Make sure they are connected and refresh this page!");
    // Store the devices on the global variable
    devices = connectedDevices;
    // Get the OLED display
    oled = devices.getDeviceByIdentifier(263);
    // Make sure the display is cleared
    oled.clearDisplay();
    var welcomeMessage = "Welcome to my application!"
    // Print the string to the display ...
    oled.write(0, 0, welcomeMessage);
    // ... and to the console
    writeLog(welcomeMessage);

	/* global writeLog, getInput, tf */
	writeLog("Solution for exercise 2.3 a) Display a welcome message");

	// Create a global variable to store the found devices
	var devices;
	var oled;

	// Initialite connected devices
	tf.initDevices(initDone);

	// Call this when all connections are established
	function initDone(connectedDevices) {

	if (connectedDevices.length === 0) {
	writeLog("Oops, didn't find any devices! Make sure they are connected and refresh this page!");
	}

	// Store the devices on the global variable
	devices = connectedDevices;

	// Get the OLED display
	oled = devices.getDeviceByIdentifier(263);

	// Make sure the display is cleared
	oled.clearDisplay();

	var welcomeMessage = "Welcome to my application!"

	// Print the string to the display ...
	oled.write(0, 0, welcomeMessage);

	// ... and to the console
	writeLog(welcomeMessage);
	}